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Finding the Fourth Proportional to 503,613.60, 706,303.20 and 503,613.60

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Solution

The fourth proportional to 503,613.60, 706,303.20 and 503,613.60 is: 706,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,613.60 : 706,303.20 = 503,613.60 : x
  2. Step 2: Convert to fraction form
    503,613.60/706,303.20 = 503,613.60/x
  3. Step 3: Cross multiply
    503,613.60x = 706,303.20 × 503,613.60
  4. Step 4: Simplify right side
    503,613.60x = 355,703,897,243.52
  5. Step 5: Solve for x
    x = 355,703,897,243.52/503,613.60
  6. Step 6: Final answer
    x = 706,303.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.